Home / 10,113.92-13,956.36-5,637.32

Finding the Fourth Proportional to 10,113.92, 13,956.36 and 5,637.32

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Solution

The fourth proportional to 10,113.92, 13,956.36 and 5,637.32 is: 7,779.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,113.92 : 13,956.36 = 5,637.32 : x
  2. Step 2: Convert to fraction form
    10,113.92/13,956.36 = 5,637.32/x
  3. Step 3: Cross multiply
    10,113.92x = 13,956.36 × 5,637.32
  4. Step 4: Simplify right side
    10,113.92x = 78,676,467.36
  5. Step 5: Solve for x
    x = 78,676,467.36/10,113.92
  6. Step 6: Final answer
    x = 7,779.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.